Exhaust emission purifying apparatus for engine
    1.
    发明授权
    Exhaust emission purifying apparatus for engine 有权
    发动机排气净化装置

    公开(公告)号:US07849674B2

    公开(公告)日:2010-12-14

    申请号:US10572558

    申请日:2004-09-02

    IPC分类号: F01N3/00

    摘要: A NOx reduction catalyst and an ammonia slip oxidation catalyst are disposed in an exhaust system in this order, and also, an electric fan is disposed on piping which communicates an upper space of a storage tank storing therein a reducing agent with the exhaust upstream of the NOx reduction catalyst. Then, when the temperature of the ammonia slip oxidation catalyst reaches or exceeds the temperature for activating a catalyst thereof, the electric fan is operated for a predetermined period of time, so that the gas (ammonia series gas) in the upper space of the storage tank is forcibly discharged to the upstream side of the NOx reduction catalyst. Further, a discharge-forcing device, such as an electric fan or the like, forcibly discharging the gas in the upper space of the storage tank, an adsorbing device temporarily adsorbing thereto the forcibly discharged gas and an oxidation catalyst oxidizing the gas desorbed from the adsorbing device, may be disposed to the storage tank in this order.

    摘要翻译: 在排气系统中依次配置NOx还原催化剂和氨滑移式氧化催化剂,并且还将电风扇设置在将储存有还原剂的储罐的上部空间连通到上游的排气管 NOx还原催化剂。 然后,当氨滑动氧化催化剂的温度达到或超过其催化剂的活化温度时,电风扇运转预定的时间,使得储存器的上部空间中的气体(氨气系列气体) 罐被强制排出到NOx还原催化剂的上游侧。 此外,诸如电动风扇等的放电装置强制地排出储罐上部空间中的气体,临时吸附到强制排出气体的吸附装置和氧化从所述储存罐解吸的气体的氧化催化剂 吸附装置可以按顺序设置在储罐上。

    Engine exhaust emission purification apparatus
    2.
    发明申请
    Engine exhaust emission purification apparatus 有权
    发动机废气净化装置

    公开(公告)号:US20070092413A1

    公开(公告)日:2007-04-26

    申请号:US10572573

    申请日:2004-09-17

    IPC分类号: B01D50/00

    摘要: An engine exhaust emission purification apparatus for reducing and purifying NOx in the exhaust emission by using a liquid reducing agent having a temperature maintenance device for maintaining a temperature of at least a part of a liquid reducing agent supply system configured by an injection nozzle and piping of the injection nozzle at a temperature lower than a boiling point of a solvent of the liquid reducing agent or equal to or higher than a melting point of dissolved matter in which the liquid reducing agent existing in the liquid reducing agent supply system conducts heat exchange with the liquid reducing agent supply system thereby being maintained at a temperature lower than the boiling point of the solvent or equal to or higher than the melting point of the dissolved matter and resultantly, occurrence of precipitation of the dissolved matter due to evaporation of only the solvent in the liquid reducing agent supply system does not occur, and even If precipitation of the dissolved matter occurs, the dissolved matter per se is melt away to prevent an injection hole of the injection nozzle from being clogged.

    摘要翻译: 一种用于通过使用具有温度维持装置的液体还原剂来还原和净化排气中的NOx的发动机废气排放净化装置,其用于维持由喷嘴和管道构成的至少一部分液体还原剂供给系统的温度 所述注射喷嘴在低于所述液体还原剂的溶剂的沸点的温度下或者等于或高于存在于所述液体还原剂供应系统中的液体还原剂与所述液体还原剂供应系统进行热交换的溶解物质的熔点 液体还原剂供应系统由此保持在低于溶剂沸点的温度或等于或高于溶解物的熔点,并且因此仅由溶剂蒸发引起的溶解物质沉淀 液体还原剂的供给系统不会发生,甚至如果沉淀出来 发生腐蚀物质,溶解物本身被熔化,以防止喷嘴的注入孔被堵塞。

    Exhaust gas purification apparatus for engine
    3.
    发明申请
    Exhaust gas purification apparatus for engine 审中-公开
    发动机废气净化装置

    公开(公告)号:US20060248880A1

    公开(公告)日:2006-11-09

    申请号:US11392683

    申请日:2006-03-30

    IPC分类号: F01N3/00 F01N3/10

    摘要: An exhaust gas purification apparatus of an engine having a reduction catalytic converter arranged in an engine exhaust gas system, for reducing and purifying nitrogen oxide by a liquid reducing agent, a reducing agent supply device controlling a flow rate of a liquid reducing agent that is supplied to the reduction catalytic converter, depending on engine operating conditions, an injection nozzle secured to the exhaust system via a flange, for injection-supplying the liquid reducing agent into exhaust gas at a position upstream of the reduction catalytic converter, and piping providing a fluid communication between the reducing agent supply device and the injection nozzle. The piping is constructed of a material made of ceramics, or water repellency treatment is applied to the inner wall of at least one of the injection nozzle and the piping.

    摘要翻译: 一种发动机的废气净化装置,具有在发动机排气系统中配置的用于通过液体还原剂还原和净化氮氧化物的还原催化转化器的排气净化装置,控制供给的液体还原剂的流量的还原剂供给装置 至所述还原催化转化器,根据发动机工作条件,经由法兰固定到所述排气系统的注射喷嘴,用于将所述液体还原剂向所述还原催化转化器的上游位置处的废气中注入供给,以及提供流体的管道 还原剂供给装置与喷嘴之间的连通。 管道由陶瓷制成的材料构成,或者对喷嘴和管道中的至少一个的内壁施加防水处理。

    Engine exhaust emission purification apparatus
    4.
    发明授权
    Engine exhaust emission purification apparatus 有权
    发动机废气净化装置

    公开(公告)号:US08209958B2

    公开(公告)日:2012-07-03

    申请号:US12388419

    申请日:2009-02-18

    IPC分类号: F01N3/00

    摘要: An engine exhaust emission purification apparatus for reducing and purifying NOx in the exhaust emission by using a liquid reducing agent having a temperature maintenance device for maintaining a temperature of at least a part of a liquid reducing agent supply system configured by an injection nozzle and piping of the injection nozzle at a temperature lower than a boiling point of a solvent of the liquid reducing agent or equal to or higher than a melting point of dissolved matter in which the liquid reducing agent existing in the liquid reducing agent supply system conducts heat exchange with the liquid reducing agent supply system thereby being maintained at a temperature lower than the boiling point of the solvent or equal to or higher than the melting point of the dissolved matter and resultantly, occurrence of precipitation of the dissolved matter due to evaporation of only the solvent in the liquid reducing agent supply system does not occur, and even if precipitation of the dissolved matter occurs, the dissolved matter per se is melt away to prevent an injection hole of the injection nozzle from being clogged.

    摘要翻译: 一种用于通过使用具有温度维持装置的液体还原剂来还原和净化排气中的NOx的发动机废气排放净化装置,其用于维持由喷嘴和管道构成的至少一部分液体还原剂供给系统的温度 所述注射喷嘴在低于所述液体还原剂的溶剂的沸点的温度下或者等于或高于存在于所述液体还原剂供应系统中的液体还原剂与所述液体还原剂供应系统进行热交换的溶解物质的熔点 液体还原剂供应系统由此保持在低于溶剂沸点的温度或等于或高于溶解物的熔点,并且因此仅由溶剂蒸发引起的溶解物质沉淀 液体还原剂供应系统不会发生,即使是沉淀 发生腐蚀物质,溶解物本身被熔化,以防止喷嘴的注入孔被堵塞。

    ENGINE EXHAUST EMISSION PURIFICATION APPARATUS
    5.
    发明申请
    ENGINE EXHAUST EMISSION PURIFICATION APPARATUS 审中-公开
    发动机排气净化装置

    公开(公告)号:US20090293460A1

    公开(公告)日:2009-12-03

    申请号:US12538065

    申请日:2009-08-07

    IPC分类号: F01N9/00 F01N3/10

    摘要: An engine exhaust emission purification apparatus for reducing and purifying NOx in the exhaust emission by using a liquid reducing agent having a temperature maintenance device for maintaining a temperature of at least a part of a liquid reducing agent supply system configured by an injection nozzle and piping of the injection nozzle at a temperature lower than a boiling point of a solvent of the liquid reducing agent or equal to or higher than a melting point of dissolved matter in which the liquid reducing agent existing in the liquid reducing agent supply system conducts heat exchange with the liquid reducing agent supply system thereby being maintained at a temperature lower than the boiling point of the solvent or equal to or higher than the melting point of the dissolved matter and resultantly, occurrence of precipitation of the dissolved matter due to evaporation of only the solvent in the liquid reducing agent supply system does not occur, and even if precipitation of the dissolved matter occurs, the dissolved matter per se is melt away to prevent an injection hole of the injection nozzle from being clogged.

    摘要翻译: 一种用于通过使用具有温度维持装置的液体还原剂来还原和净化排气中的NOx的发动机废气排放净化装置,其用于维持由喷嘴和管道构成的至少一部分液体还原剂供给系统的温度 所述注射喷嘴在低于所述液体还原剂的溶剂的沸点的温度下或者等于或高于存在于所述液体还原剂供应系统中的液体还原剂与所述液体还原剂供应系统进行热交换的溶解物质的熔点 液体还原剂供应系统由此保持在低于溶剂沸点的温度或等于或高于溶解物的熔点,并且因此仅由溶剂蒸发引起的溶解物质沉淀 液体还原剂供应系统不会发生,即使是沉淀 发生腐蚀物质,溶解物本身被熔化,以防止喷嘴的注入孔被堵塞。

    Engine exhaust emission purification apparatus
    6.
    发明授权
    Engine exhaust emission purification apparatus 有权
    发动机废气净化装置

    公开(公告)号:US07614213B2

    公开(公告)日:2009-11-10

    申请号:US10572573

    申请日:2004-09-17

    IPC分类号: F01N3/00

    摘要: An engine exhaust emission purification apparatus for reducing and purifying NOx in the exhaust emission by using a liquid reducing agent having a temperature maintenance device for maintaining a temperature of at least a part of a liquid reducing agent supply system configured by an injection nozzle and piping of the injection nozzle at a temperature lower than a boiling point of a solvent of the liquid reducing agent or equal to or higher than a melting point of dissolved matter in which the liquid reducing agent existing in the liquid reducing agent supply system conducts heat exchange with the liquid reducing agent supply system thereby being maintained at a temperature lower than the boiling point of the solvent or equal to or higher than the melting point of the dissolved matter and resultantly, occurrence of precipitation of the dissolved matter due to evaporation of only the solvent in the liquid reducing agent supply system does not occur, and even If precipitation of the dissolved matter occurs, the dissolved matter per se is melt away to prevent an injection hole of the injection nozzle from being clogged.

    摘要翻译: 一种用于通过使用具有温度维持装置的液体还原剂来还原和净化排气中的NOx的发动机废气排放净化装置,其用于维持由喷嘴和管道构成的至少一部分液体还原剂供给系统的温度 所述注射喷嘴在低于所述液体还原剂的溶剂的沸点的温度下或者等于或高于存在于所述液体还原剂供应系统中的液体还原剂与所述液体还原剂供应系统进行热交换的溶解物质的熔点 液体还原剂供应系统由此保持在低于溶剂沸点的温度或等于或高于溶解物的熔点,并且因此仅由溶剂蒸发引起的溶解物质沉淀 液体还原剂的供给系统不会发生,甚至如果沉淀出来 发生腐蚀物质,溶解物本身被熔化,以防止喷嘴的注入孔被堵塞。

    Exhaust emission purifying apparatus for engine
    8.
    发明申请
    Exhaust emission purifying apparatus for engine 有权
    发动机排气净化装置

    公开(公告)号:US20070180816A1

    公开(公告)日:2007-08-09

    申请号:US10572558

    申请日:2004-09-02

    IPC分类号: F01N3/00 F01N3/10

    摘要: A NOx reduction catalyst and an ammonia slip oxidation catalyst are disposed in an exhaust system in this order, and also, an electric fan is disposed on piping which communicates an upper space of a storage tank storing therein a reducing agent with the exhaust upstream of the NOx reduction catalyst. Then, when the temperature of the ammonia slip oxidation catalyst reaches or exceeds the temperature for activating a catalyst thereof, the electric fan is operated for a predetermined period of time, so that the gas (ammonia series gas) in the upper space of the storage tank is forcibly discharged to the upstream side of the NOx reduction catalyst. Further, a discharge-forcing device, such as an electric fan or the like, forcibly discharging the gas in the upper space of the storage tank, an adsorbing device temporarily adsorbing thereto the forcibly discharged gas and an oxidation catalyst oxidizing the gas desorbed from the adsorbing device, may be disposed to the storage tank in this order.

    摘要翻译: 在排气系统中依次设置有NO x还原催化剂和氨滑移氧化催化剂,并且还将电风扇设置在连接储存在其中的储罐的上部空间的管道上 还原剂与NO x还原催化剂上游排气。 然后,当氨滑动氧化催化剂的温度达到或超过其催化剂的活化温度时,电风扇运转预定的时间,使得储存器的上部空间中的气体(氨气系列气体) 罐被强制排出到NO x还原催化剂的上游侧。 此外,诸如电动风扇等的放电装置强制地排出储罐上部空间中的气体,临时吸附到强制排出气体的吸附装置和氧化从所述储存罐解吸的气体的氧化催化剂 吸附装置可以按顺序设置在储罐上。

    Method of production of grain-oriented electrical steel sheet with high magnetic flux density
    10.
    发明授权
    Method of production of grain-oriented electrical steel sheet with high magnetic flux density 有权
    具有高磁通密度的方向性电磁钢板的生产方法

    公开(公告)号:US07976644B2

    公开(公告)日:2011-07-12

    申请号:US12227319

    申请日:2007-05-22

    IPC分类号: H01F1/147

    摘要: The present invention provides a method of production of grain-oriented electrical steel sheet comprising making a slab heating temperature 1280° C. or less, annealing hot rolled sheet by (a) a process of heating it to a predetermined temperature of 1000 to 1150° C. to cause recrystallization, then annealing by a temperature lower than that of 850 to 1100° C. or by (b) decarburizing in annealing the hot rolled sheet so that a difference in amounts of carbon of the steel sheet before and after annealing the hot rolled sheet becomes 0.002 to 0.02 mass % and performing the heating in the temperature elevation process of the decarburization annealing under conditions of a heating rate of 40° C. or more, preferably 75 to 125° C./s while the temperature of the steel sheet is in a range from 550° C. to 720° C. and utilizing induction heating for rapid heating in the temperature elevation process of decarburization annealing.

    摘要翻译: 本发明提供一种制造方向性电磁钢板的方法,其特征在于,包括使板坯加热温度为1280℃以下,(a)将其加热至规定温度为1000〜1150℃的加热方法 C进行再结晶,然后通过低于850℃至1100℃的温度进行退火,或者(b)在热轧板退火时进行脱碳,以使退火前后的钢板的碳量差异 热轧板为0.002〜0.02质量%,在加热率为40℃以上,优选为75〜125℃/℃的条件下,在脱碳退火的升温过程中进行加热,同时, 钢板在550℃至720℃的范围内,并且在脱碳退火的升温过程中利用感应加热进行快速加热。